MEMORY- Dual-channel DDR3 memory architecture- 2 x 240-pin DDR3 DIMM socket support up to 16 GB*- Supports DDR3 1066/1333/1600(with Ivy Bridge)SDRAM- Supports for non-ECC memory modules- Intel Extreme Memory Profile (XMP) 1.3/1.2 Memory ModulesNote: Please go to ECS website for the latest Memory support list.*(Due to the DRAM maximum size is 4GB at present, the memory maximum size we have tested is 8GB)Due to the operating system limitation, the actual memory size may be less than 4GB for the reservation for system usage under Windows 32-bit OS.For Windows 64-bit OS with 64-bit CPU, there is no such limitation